28754670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:686

約数の個数: 96

約数和(自身を含む): 82999296

約数和(自身を除く): 54244626

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 434, 465, 490, 631, 651, 735, 930, 1085, 1262, 1302, 1470, 1519, 1893, 2170, 3038, 3155, 3255, 3786, 4417, 4557, 6310, 6510, 7595, 8834, 9114, 9465, 13251, 15190, 18930, 19561, 22085, 22785, 26502, 30919, 39122, 44170, 45570, 58683, 61838, 66255, 92757, 97805, 117366, 132510, 136927, 154595, 185514, 195610, 273854, 293415, 309190, 410781, 463785, 586830, 684635, 821562, 927570, 958489, 1369270, 1916978, 2053905, 2875467, 4107810, 4792445, 5750934, 9584890, 14377335, 28754670]

約数ペア:

[(1, 28754670), (2, 14377335), (3, 9584890), (5, 5750934), (6, 4792445), (7, 4107810), (10, 2875467), (14, 2053905), (15, 1916978), (21, 1369270), (30, 958489), (31, 927570), (35, 821562), (42, 684635), (49, 586830), (62, 463785), (70, 410781), (93, 309190), (98, 293415), (105, 273854), (147, 195610), (155, 185514), (186, 154595), (210, 136927), (217, 132510), (245, 117366), (294, 97805), (310, 92757), (434, 66255), (465, 61838), (490, 58683), (631, 45570), (651, 44170), (735, 39122), (930, 30919), (1085, 26502), (1262, 22785), (1302, 22085), (1470, 19561), (1519, 18930), (1893, 15190), (2170, 13251), (3038, 9465), (3155, 9114), (3255, 8834), (3786, 7595), (4417, 6510), (4557, 6310)]